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A144ES Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
A144ESROHM140Yes

A144ES** is a Hall-effect sensor manufactured by **ROHM Semiconductor**.

The A144ES is a Hall-effect sensor manufactured by ROHM Semiconductor.

Specifications:

  • Type: Unipolar Hall-effect switch
  • Operating Voltage Range: 3.5V to 24V
  • Output Type: Open-collector
  • Operating Temperature Range: -40°C to +125°C
  • Magnetic Sensitivity: Typically operates at South pole magnetic field
  • Switching Points: BOP (Operate Point) and BRP (Release Point) with hysteresis
  • Package: SIP-3 (TO-92-like)

Descriptions:

  • Designed for position sensing, proximity detection, and speed measurement applications.
  • Features built-in reverse polarity protection for power supply.
  • Low power consumption suitable for battery-operated devices.

Features:

  • Unipolar operation (responds to a single magnetic pole)
  • High sensitivity with stable switching characteristics
  • Wide operating voltage range (3.5V to 24V)
  • Open-drain output for easy interfacing with microcontrollers
  • Robust design for automotive and industrial environments

This sensor is commonly used in brushless DC motors, flow meters, and position detection systems.

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